Grand Coulee Dam
Wednesday January 28, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
|---|
| 1 | 114.20 | 114.20 | 0.00 | 1278.70 | 962.50 | 316.20 |
| 2 | 113.90 | 113.90 | 0.00 | 1278.60 | 962.50 | 316.10 |
| 3 | 112.50 | 112.50 | 0.00 | 1278.70 | 962.40 | 316.30 |
| 4 | 106.50 | 106.50 | 0.00 | 1278.80 | 961.80 | 317.00 |
| 5 | 109.60 | 109.60 | 0.00 | 1278.80 | 961.70 | 317.10 |
| 6 | 134.40 | 134.40 | 0.00 | 1278.70 | 963.30 | 315.40 |
| 7 | 140.50 | 140.50 | 0.00 | 1278.70 | 964.30 | 314.40 |
| 8 | 149.90 | 149.90 | 0.00 | 1278.60 | 965.10 | 313.50 |
| 9 | 120.50 | 120.50 | 0.00 | 1278.60 | 963.50 | 315.10 |
| 10 | 108.00 | 108.00 | 0.00 | 1278.60 | 961.70 | 316.90 |
| 11 | 96.50 | 96.50 | 0.00 | 1278.70 | 960.50 | 318.20 |
| 12 | 102.70 | 102.70 | 0.00 | 1278.70 | 960.70 | 318.00 |
| 13 | 100.80 | 100.80 | 0.00 | 1278.60 | 960.70 | 317.90 |
| 14 | 99.30 | 99.30 | 0.00 | 1278.60 | 960.40 | 318.20 |
| 15 | 94.40 | 94.40 | 0.00 | 1278.60 | 959.90 | 318.70 |
| 16 | 105.90 | 105.90 | 0.00 | 1278.60 | 960.30 | 318.30 |
| 17 | 146.80 | 146.80 | 0.00 | 1278.60 | 963.50 | 315.10 |
| 18 | 152.80 | 152.80 | 0.00 | 1278.60 | 965.00 | 313.60 |
| 19 | 150.30 | 150.30 | 0.00 | 1278.60 | 965.10 | 313.50 |
| 20 | | | | | | |
| 21 | | | | | | |
| 22 | | | | | | |
| 23 | | | | | | |
| 24 | | | | | | |
|
| AVG | 118.92 | 118.92 | 0.00 | 1278.65 | 962.36 | 316.29 |
|
| MAX | 152.80 | 152.80 | 0.00 | 1278.80 | 965.10 | 318.70 |
| MIN | 94.40 | 94.40 | 0.00 | 1278.60 | 959.90 | 313.50 |